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dc.contributor.authorMahesh, S K-
dc.contributor.authorPrabhakar Rao, P-
dc.contributor.authorMariyam Thomas-
dc.contributor.authorRadhakrishnan, A N-
dc.contributor.authorPeter Koshy-
dc.date.accessioned2013-06-12T08:54:09Z-
dc.date.available2013-06-12T08:54:09Z-
dc.date.issued2012-09-
dc.identifier.citationJournal of Materials Science: Materials in Electronics 23(9):1605-1609en_US
dc.identifier.urihttp://hdl.handle.net/123456789/427-
dc.description.abstractNew stannate pyrochlore based red emitting phosphor materials: CaLa1-xSnNbO7: xEu3? were prepared by the conventional solid state route and characterized by Powder X-ray diffractometer, scanning electron microscope and fluorescence measurements. Optimization studies by way of varying the calcination temperatures show that CaLaSnNbO7: Eu3? prepared at 1,400 C displayed the maximum luminescence characteristics. The dominant emission peak of CaLaSnNbO7: xEu3? phosphor is 5D0 ? 7F2 forced hypersensitive electric dipole transition which indicates the deviation of pyrochlore A-site from inversion symmetry. The present quaternary pyrochlore phosphors show strong red luminescence (*612 nm)under near UV (394 nm) and blue light (465 nm)excitationsen_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.subjectPhotoluminescenceen_US
dc.subjectStannate pyrochloreen_US
dc.subjectRed phosphorsen_US
dc.titlePhotoluminescence characteristics of new stannate pyrochlore based red phosphors: CaLaSnNbO7: Eu3+en_US
dc.typeArticleen_US
niist.citation-
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